Arbitrary file upload in Express-fileupload_project Express-fileupload

CVE-2022-27261

An arbitrary file write vulnerability in Express-FileUpload v1.3.1 allows attackers to upload multiple files with the same name, causing an overwrite of files in the web application server.

Vulnerability class: Unrestricted File Upload

EPSS: 0.014 (68.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2022-27261?
CVE-2022-27261 is a high-severity vulnerability in Express-fileupload_project Express-fileupload, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 7.5/10. Published 2022-04-12.
How severe is CVE-2022-27261?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2022-27261 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.